Natural Barium Sulphate

Test Item & Standard	Hoyonn Standard	Testing Result	Qualified or Not
BaSO₄ Content %	92min	93.0

Test Item & Standard	Hoyonn Standard	Testing Result	Qualified or Not
BaSO₄ Content %	92min	93.0	Qualified
Particle Size D50	3±0.2 um	3.1um	Qualified
Particle Size D97	11 ±0.2 um	11.2um	Qualified
Whiteness L Value % (ISO.7724)	96min	96.0	Qualified
Oil Absorption (ml/100g) (DIN.EN.ISO.787,PT.10)	16max	15	Qualified
PH Value (DIN.EN.ISO.787,PT.9)	7±1	7.1	Qualified
325 mesh retained	Impurity ≤5	0	Qualified
Specific gravity (g/cm³)	≥4.2	4.2	Qualified

Qualified Particle Size D50 3±0.2 um 3.1um Qualified Particle Size D97 11 ±0.2 um 11.2um Qualified Whiteness L Value %
(ISO.7724) 96min 96.0 Qualified Oil Absorption (ml/100g)
(DIN.EN.ISO.787,PT.10) 16max 15 Qualified PH Value
(DIN.EN.ISO.787,PT.9) 7±1 7.1 Qualified 325 mesh retained Impurity ≤5 0 Qualified Specific gravity (g/cm³) ≥4.2 4.2 Qualified